Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 9837AC433F5 for ; Thu, 9 Dec 2021 13:29:17 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S237969AbhLINct (ORCPT ); Thu, 9 Dec 2021 08:32:49 -0500 Received: from smtp-out2.suse.de ([195.135.220.29]:51962 "EHLO smtp-out2.suse.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231508AbhLINct (ORCPT ); Thu, 9 Dec 2021 08:32:49 -0500 Received: from relay2.suse.de (relay2.suse.de [149.44.160.134]) by smtp-out2.suse.de (Postfix) with ESMTP id 818A51F384; Thu, 9 Dec 2021 13:29:14 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=suse.com; s=susede1; t=1639056554; h=from:from:reply-to:date:date:message-id:message-id:to:to:cc:cc: mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=qmqs+hpSxscaHl8NkKgzAtr87Qun/Wys2qUlkbqxvvQ=; b=HLosNG5dXKEUH6TVpU+Aokzdig6nCGS8xKykm9/jd1ut7F9zBZHVqkyVYBJ2ucSR6oS6W3 BSmB6ZF9ITfnX48UGgW30cpIZqF2dbWRhNCvcUg9e7gydgJSUkm7Ac3xGO7FnRfBGBabLA dadsoCaq5DqSU0jBg3/NSBjK6ipBUpg= Received: from suse.cz (unknown [10.163.30.174]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by relay2.suse.de (Postfix) with ESMTPS id 51DF7A3B91; Thu, 9 Dec 2021 13:29:14 +0000 (UTC) Date: Thu, 9 Dec 2021 14:29:13 +0100 From: Michal Hocko To: Alexey Makhalov Cc: Dennis Zhou , Eric Dumazet , "linux-mm@kvack.org" , Andrew Morton , David Hildenbrand , Oscar Salvador , Tejun Heo , Christoph Lameter , "linux-kernel@vger.kernel.org" , "stable@vger.kernel.org" Subject: Re: [PATCH v3] mm: fix panic in __alloc_pages Message-ID: References: <5239D699-523C-4F0C-923A-B068E476043E@vmware.com> <77BCF61E-224F-435D-8620-670C9E874A9A@vmware.com> <2291C572-3B22-4BE5-8C7A-0D6A4609547B@vmware.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu 09-12-21 10:23:52, Alexey Makhalov wrote: > > > > On Dec 9, 2021, at 1:56 AM, Michal Hocko wrote: > > > > On Thu 09-12-21 09:28:55, Alexey Makhalov wrote: > >> > >> > >> [ 0.081777] Node 4 uninitialized by the platform. Please report with boot dmesg. > >> [ 0.081790] Initmem setup node 4 [mem 0x0000000000000000-0x0000000000000000] > >> ... > >> [ 0.086441] Node 127 uninitialized by the platform. Please report with boot dmesg. > >> [ 0.086454] Initmem setup node 127 [mem 0x0000000000000000-0x0000000000000000] > > > > Interesting that only those two didn't get a proper arch specific > > initialization. Could you check why? I assume init_cpu_to_node > > doesn't see any CPU pointing at this node. Wondering why that would be > > the case but that can be a bug in the affinity tables. > > My bad shrinking. Not just these 2, but all possible and not present nodes from 4 to 127 > are having this message. Does that mean that your possible (but offline) cpus do not set their affinity? -- Michal Hocko SUSE Labs